/* 吃好饭 · 开发日记样式
   色板与 index.html 的 :root 变量保持一致（改首页配色时记得同步这里） */

:root {
  --bg: #f9fffc; --bg2: #ecfef4; --ink: #06251a; --sub: #45695b; --card: #ffffff;
  --line: #dcefe4; --brand: #10c877; --brand2: #06c0d6; --brand3: #86e00f; --brand-deep: #06a866;
  --glow: rgba(16,200,120,.5); --grad: linear-gradient(100deg, #0fca77, #07c6dd 52%, #8fe016);
  --shadow: 0 14px 44px rgba(10,80,55,.12); --shadow-lg: 0 30px 70px rgba(10,80,55,.20);
  --glass: rgba(255,255,255,.72); --glass-line: rgba(255,255,255,.6);
  --code-bg: #f2faf6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #05100b; --bg2: #06140e; --ink: #e2f6ec; --sub: #86ab99; --card: rgba(255,255,255,.045);
    --line: rgba(255,255,255,.09); --brand: #2ee6a0; --brand2: #2bd3f0; --brand3: #a9e838; --brand-deep: #2ee6a0;
    --glow: rgba(46,230,160,.5); --grad: linear-gradient(100deg, #2ee6a0, #2bd3f0 55%, #a9e838);
    --shadow: 0 14px 44px rgba(0,0,0,.5); --shadow-lg: 0 30px 70px rgba(0,0,0,.62);
    --glass: rgba(20,32,26,.55); --glass-line: rgba(255,255,255,.08);
    --code-bg: rgba(255,255,255,.05);
  }
}
:root[data-theme="dark"] {
  --bg: #05100b; --bg2: #06140e; --ink: #e2f6ec; --sub: #86ab99; --card: rgba(255,255,255,.045);
  --line: rgba(255,255,255,.09); --brand: #2ee6a0; --brand2: #2bd3f0; --brand3: #a9e838; --brand-deep: #2ee6a0;
  --glow: rgba(46,230,160,.5); --grad: linear-gradient(100deg, #2ee6a0, #2bd3f0 55%, #a9e838);
  --shadow: 0 14px 44px rgba(0,0,0,.5); --shadow-lg: 0 30px 70px rgba(0,0,0,.62);
  --glass: rgba(20,32,26,.55); --glass-line: rgba(255,255,255,.08);
  --code-bg: rgba(255,255,255,.05);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.8;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: var(--brand-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 780px; margin: 0 auto; padding: 0 22px; }

.scroll-prog { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 100;
               background: var(--grad); box-shadow: 0 0 12px var(--glow); }

/* ── 顶栏（与首页一致） ── */
nav { position: sticky; top: 0; z-index: 40; backdrop-filter: saturate(1.8) blur(16px);
      -webkit-backdrop-filter: saturate(1.8) blur(16px);
      background: color-mix(in srgb, var(--bg) 68%, transparent); border-bottom: 1px solid var(--line); }
nav .wrap { max-width: 1040px; display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 16px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 9px; box-shadow: 0 2px 10px var(--glow); }
.brand-sub { font-size: 12px; font-weight: 700; color: var(--brand-deep);
             background: color-mix(in srgb, var(--brand) 13%, var(--card));
             border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--line));
             padding: 2px 9px; border-radius: 999px; }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { font-size: 14px; color: var(--sub); font-weight: 600; }
.nav-links a:hover { color: var(--brand-deep); text-decoration: none; }
.theme-btn { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--card);
             color: var(--ink); font-size: 15px; cursor: pointer; display: inline-flex; align-items: center;
             justify-content: center; transition: transform .15s ease, border-color .2s ease;
             -webkit-tap-highlight-color: transparent; }
.theme-btn:hover { transform: scale(1.08); border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); }
.nav-cta { display: inline-flex; align-items: center; gap: 6px; background: var(--ink); color: var(--bg) !important;
           padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 700; }
.nav-cta:hover { opacity: .9; text-decoration: none; }
.nav-cta svg { width: 13px; height: 13px; fill: currentColor; }

/* ── 索引页 ── */
.idx-head { position: relative; padding: 72px 0 48px; text-align: center;
            background: radial-gradient(700px 320px at 50% -12%, var(--glow), transparent 72%); }
.idx-head .eyebrow { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; font-weight: 700;
                     color: var(--brand-deep); background: color-mix(in srgb, var(--brand) 12%, var(--card));
                     border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--line));
                     padding: 7px 15px; border-radius: 999px; }
.idx-head h1 { font-size: clamp(34px, 7vw, 54px); font-weight: 900; letter-spacing: -1.5px; margin: 18px 0 10px; }
.idx-head .lead { color: var(--sub); font-size: 16px; max-width: 620px; margin: 0 auto; }

.idx { display: grid; gap: 16px; padding-bottom: 64px; }
.card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 20px;
        padding: 26px 26px 22px; box-shadow: var(--shadow);
        transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); text-decoration: none;
              border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); }
.card-meta { font-size: 12.5px; color: var(--sub); font-weight: 600; letter-spacing: .02em; }
.card h2 { font-size: 21px; font-weight: 800; margin: 8px 0 8px; color: var(--ink); line-height: 1.45; }
.card p { font-size: 14.5px; color: var(--sub); }
.card .more { display: inline-block; margin-top: 14px; font-size: 13px; font-weight: 700; color: var(--brand-deep); }
.empty { color: var(--sub); text-align: center; padding: 40px 0; }

/* ── 文章页 ── */
.post { padding: 34px 22px 20px; }
.back { display: inline-block; font-size: 13.5px; font-weight: 700; color: var(--sub); margin-bottom: 22px; }
.back:hover { color: var(--brand-deep); text-decoration: none; }
.post-head { border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 8px; }
.post-head .meta { font-size: 13px; color: var(--sub); font-weight: 600; }
.post-head .meta .tag { display: inline-block; font-size: 12px; font-weight: 700; color: var(--brand-deep);
                        background: color-mix(in srgb, var(--brand) 11%, var(--card));
                        border: 1px solid color-mix(in srgb, var(--brand) 26%, var(--line));
                        padding: 1px 10px; border-radius: 999px; margin-right: 6px; }
.post-head h1 { font-size: clamp(27px, 5.2vw, 38px); font-weight: 900; letter-spacing: -.8px;
                line-height: 1.35; margin: 14px 0 12px; }
.post-head .lead { font-size: 16px; color: var(--sub); }

.toc { background: color-mix(in srgb, var(--brand) 5%, var(--card)); border: 1px solid var(--line);
       border-radius: 16px; padding: 18px 22px; margin: 28px 0 4px; }
.toc b { display: block; font-size: 13px; color: var(--brand-deep); margin-bottom: 8px; letter-spacing: .04em; }
.toc ol { margin: 0; padding-left: 1.3em; }
.toc li { font-size: 14px; margin: 4px 0; }
.toc a { color: var(--sub); font-weight: 600; }
.toc a:hover { color: var(--brand-deep); }

.body { font-size: 16.5px; padding: 8px 0 40px; }
.body h2 { font-size: 23px; font-weight: 850; letter-spacing: -.4px; margin: 46px 0 14px; padding-top: 4px;
           line-height: 1.45; }
.body h2::before { content: ''; display: block; width: 40px; height: 4px; border-radius: 2px;
                   background: var(--grad); margin-bottom: 14px; }
.body h3 { font-size: 18.5px; font-weight: 800; margin: 32px 0 10px; }
.body h4 { font-size: 16.5px; font-weight: 800; margin: 24px 0 8px; color: var(--sub); }
.body p { margin: 15px 0; }
.body strong { font-weight: 800; }
.body ul, .body ol { margin: 15px 0; padding-left: 1.5em; }
.body li { margin: 7px 0; }
.body li.task { list-style: none; margin-left: -1.3em; }
.body li.task input { margin-right: 8px; accent-color: var(--brand); }
.body hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }

.body blockquote { border-left: 3px solid var(--brand); background: color-mix(in srgb, var(--brand) 6%, var(--card));
                   border-radius: 0 14px 14px 0; padding: 4px 20px; margin: 22px 0; color: var(--sub); }
.body blockquote p { margin: 12px 0; }

/* 【配图：xxx】占位——正式配图前先把位置标出来 */
.figph { display: flex; gap: 12px; align-items: flex-start; border: 1px dashed color-mix(in srgb, var(--brand) 42%, var(--line));
         background: color-mix(in srgb, var(--brand) 4%, var(--card)); border-radius: 14px;
         padding: 14px 18px; margin: 24px 0; font-size: 14px; color: var(--sub); }
.figph .tag { flex: none; font-size: 11.5px; font-weight: 800; color: var(--brand-deep); letter-spacing: .08em;
              border: 1px solid color-mix(in srgb, var(--brand) 34%, var(--line)); border-radius: 999px;
              padding: 1px 9px; margin-top: 3px; }

/* 正文图片：单张居中；一段里多张时自动排成一行手机截图 */
.body img { max-width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--line);
            box-shadow: var(--shadow); display: block; margin: 24px auto; }
.figrow { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin: 26px 0; }
.figrow img { flex: 0 1 150px; max-width: 150px; margin: 0; }
@media (max-width: 520px) { .figrow img { flex-basis: calc(50% - 6px); max-width: calc(50% - 6px); } }

.body code { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
             font-size: .88em; background: var(--code-bg); border: 1px solid var(--line);
             padding: 1.5px 6px; border-radius: 6px; word-break: break-word; }
.body pre.code { background: var(--code-bg); border: 1px solid var(--line); border-radius: 14px;
                 padding: 18px 20px; margin: 22px 0; overflow-x: auto; line-height: 1.65; }
.body pre.code code { background: none; border: none; padding: 0; font-size: 13.5px; white-space: pre; }

.tw { overflow-x: auto; margin: 24px 0; border: 1px solid var(--line); border-radius: 14px; }
.body table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
.body th, .body td { padding: 11px 15px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.body th { background: color-mix(in srgb, var(--brand) 7%, var(--card)); font-weight: 800; white-space: nowrap; }
.body tbody tr:last-child td { border-bottom: none; }

.postnav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 8px 0 20px; }
.pn { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px;
      font-size: 14.5px; font-weight: 700; color: var(--ink); transition: border-color .2s ease, transform .2s ease; }
.pn:hover { text-decoration: none; transform: translateY(-2px);
            border-color: color-mix(in srgb, var(--brand) 45%, var(--line)); }
.pn small { display: block; font-size: 12px; color: var(--sub); font-weight: 600; margin-bottom: 4px; }
.pn.next { text-align: right; grid-column: 2; }
.pn.prev { grid-column: 1; }

/* ── 页脚 ── */
footer { border-top: 1px solid var(--line); padding: 48px 0 80px; text-align: center; color: var(--sub); }
.cta-card { background: var(--card); border: 1px solid var(--line); border-radius: 22px;
            padding: 32px 26px; box-shadow: var(--shadow); margin-bottom: 30px; }
.cta-card h3 { font-size: 19px; font-weight: 850; color: var(--ink); margin-bottom: 8px; }
.cta-card p { font-size: 14.5px; max-width: 520px; margin: 0 auto 22px; }
.appstore-btn { display: inline-flex; align-items: center; gap: 11px; background: var(--ink); color: var(--bg) !important;
                padding: 13px 24px; border-radius: 16px; box-shadow: 0 10px 30px var(--glow);
                transition: transform .2s ease, box-shadow .2s ease; }
.appstore-btn:hover { transform: translateY(-3px); box-shadow: 0 18px 44px var(--glow); text-decoration: none; }
.appstore-btn svg { width: 24px; height: 24px; fill: currentColor; }
.appstore-btn .t { text-align: left; line-height: 1.15; }
.appstore-btn .t small { display: block; font-size: 10.5px; opacity: .82; font-weight: 500; }
.appstore-btn .t b { font-size: 18px; font-weight: 700; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: center; margin-bottom: 14px; }
.foot-links a { font-size: 14.5px; font-weight: 700; }
.copyright { font-size: 12.5px; line-height: 1.9; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card:hover, .pn:hover, .appstore-btn:hover { transform: none; }
}
@media (max-width: 760px) {
  .nav-links a { display: none; }
  .brand-sub { display: none; }
  .idx-head { padding: 52px 0 36px; }
  .body { font-size: 16px; }
  .body h2 { font-size: 21px; margin-top: 38px; }
  .postnav { grid-template-columns: 1fr; }
  .pn.next { text-align: left; grid-column: 1; }
}